#ifndef _WX_GTK_BITMAP_H_
#define _WX_GTK_BITMAP_H_

typedef struct _GdkPixbuf GdkPixbuf;
class wxPixelDataBase;

//-----------------------------------------------------------------------------
// wxMask
//-----------------------------------------------------------------------------

class wxMask: public wxObject {
  public:
    wxMask();
    wxMask( const wxBitmap& bitmap, const wxColour& colour );
    #if wxUSE_PALETTE
    wxMask( const wxBitmap& bitmap, int paletteIndex );
    #endif // wxUSE_PALETTE
    wxMask( const wxBitmap& bitmap );
    virtual ~wxMask();

    bool Create( const wxBitmap& bitmap, const wxColour& colour );
    #if wxUSE_PALETTE
    bool Create( const wxBitmap& bitmap, int paletteIndex );
    #endif // wxUSE_PALETTE
    bool Create( const wxBitmap& bitmap );

    // implementation
    GdkBitmap   *m_bitmap;

    GdkBitmap *GetBitmap() const;

  private:
    DECLARE_DYNAMIC_CLASS( wxMask )
};

//-----------------------------------------------------------------------------
// wxBitmap
//-----------------------------------------------------------------------------

class wxBitmap: public wxBitmapBase {
  public:
    wxBitmap() { }
    wxBitmap( int width, int height, int depth = -1 );
    wxBitmap( const char bits[], int width, int height, int depth = 1 );
    wxBitmap( const char* const* bits );
    #ifdef wxNEEDS_CHARPP
    // needed for old GCC
    wxBitmap( char** data ) {
      *this = wxBitmap( wx_const_cast( const char* const*, data ) );
    }
    #endif
    wxBitmap( const wxString &filename, wxBitmapType type = wxBITMAP_TYPE_XPM );
    wxBitmap( const wxImage& image, int depth = -1 ) { ( void )CreateFromImage( image, depth ); }
    virtual ~wxBitmap();
    bool Ok() const { return IsOk(); }
    bool IsOk() const;

    bool Create( int width, int height, int depth = -1 );

    int GetHeight() const;
    int GetWidth() const;
    int GetDepth() const;

    wxImage ConvertToImage() const;

    // copies the contents and mask of the given (colour) icon to the bitmap
    virtual bool CopyFromIcon( const wxIcon& icon );

    wxMask *GetMask() const;
    void SetMask( wxMask *mask );

    wxBitmap GetSubBitmap( const wxRect& rect ) const;

    bool SaveFile( const wxString &name, wxBitmapType type,
                   const wxPalette *palette = ( wxPalette * )NULL ) const;
    bool LoadFile( const wxString &name, wxBitmapType type = wxBITMAP_TYPE_XPM );

    #if wxUSE_PALETTE
    wxPalette *GetPalette() const;
    void SetPalette( const wxPalette& palette );
    wxPalette *GetColourMap() const { return GetPalette(); };
    #endif // wxUSE_PALETTE

    static void InitStandardHandlers();

    // implementation
    // --------------

    void SetHeight( int height );
    void SetWidth( int width );
    void SetDepth( int depth );
    void SetPixmap( GdkPixmap *pixmap );
    void SetPixbuf( GdkPixbuf* pixbuf, int depth = 0 );

    GdkPixmap *GetPixmap() const;
    bool HasPixmap() const;
    bool HasPixbuf() const;
    GdkPixbuf *GetPixbuf() const;

    // Basically, this corresponds to Win32 StretchBlt()
    wxBitmap Rescale( int clipx, int clipy, int clipwidth, int clipheight, int width, int height ) const;

    // raw bitmap access support functions
    void *GetRawData( wxPixelDataBase& data, int bpp );
    void UngetRawData( wxPixelDataBase& data );

    bool HasAlpha() const;
    void UseAlpha();

  protected:
    bool CreateFromImage( const wxImage& image, int depth );

    virtual wxObjectRefData* CreateRefData() const;
    virtual wxObjectRefData* CloneRefData( const wxObjectRefData* data ) const;

  private:
    // to be called from CreateFromImage only!
    bool CreateFromImageAsPixmap( const wxImage& image, int depth );
    bool CreateFromImageAsPixbuf( const wxImage& image );

    enum Representation {
      Pixmap,
      Pixbuf
    };
    // removes other representations from memory, keeping only 'keep'
    // (wxBitmap may keep same bitmap e.g. as both pixmap and pixbuf):
    void PurgeOtherRepresentations( Representation keep );

    friend class wxMemoryDC;
    friend class wxBitmapHandler;

  private:
    DECLARE_DYNAMIC_CLASS( wxBitmap )
};

//-----------------------------------------------------------------------------
// wxBitmapHandler
//-----------------------------------------------------------------------------

class wxBitmapHandler: public wxBitmapHandlerBase {
    DECLARE_ABSTRACT_CLASS( wxBitmapHandler )
};

#endif // _WX_GTK_BITMAP_H_
